<template>
    <div class="header">
        <van-icon name="arrow-left" class="icon" @click="toBack"/>
        <div>{{ title }}</div>
        <div class="edit" v-if="edit" @click="hangleEdit">
          {{ store.state.edit ? '编辑' : '完成' }}
        </div>
    </div>
</template>

<script>
import store from "@/store";
import { Toast } from "vant";
import { useRouter } from "vue-router";
import { useStore } from "vuex";

export default {
  props: ["title","edit"],
  setup() {
    const router = useRouter();
    const store = useStore();
    const toBack = () => {
      router.back()
    };
    const hangleEdit =() => {
      if(store.state.cartList.length){
        store.commit("edit");
        store.commit("changeDelete");
      }else{
        Toast.fail('请选择商品');
      }
    };
    return { 
      toBack,
      hangleEdit,
      store
     };
  },
}
</script>

<style lang="less" scoped>
.header {
    background-color: #fff;
    height: 40px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #d7d7d7;
    .edit {
      font-size: 16px;
      position: absolute;
      right: 15px;
      font-weight: normal;
    }
    .icon {
      position: absolute;
      left: 10px;
    }
  }
</style>